Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
1986-12-22
pubmed:abstractText
Focused microwave irradiation was employed to stabilize endogenous whole rat brain bradykinin levels prior to a simple extraction procedure. Skull microwave exposure (2450 MHz, 3.8 kW., 2.45 sec) resulted in inactivation to less than 5% of control of whole brain kallikrein and kininase activity. Using this adequate exposure duration whole rat brain kinin levels as measured by a sensitive radioimmunoassay were approximately 0.6 pmol/g (wet weight). Further purification of irradiated brain extracts using HPLC revealed that immunoreactive kinin eluted as a single peak that co-chromatographed with authentic bradykinin. Microwave fixation duration of 1.25 sec yielded greatly increased levels of immunoreactive kinin which following HPLC purification eluted in two peaks, corresponding to authentic bradykinin and T-kinin, respectively. The tissue injury resulting from incomplete microwave fixation resulted in the release of kinins. This excess immunoreactive kinin may be derived from cerebral blood, since the predominant form of kinin-generating protein in plasma is T-kininogen.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0364-3190
pubmed:author
pubmed:issnType
Print
pubmed:volume
11
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1463-71
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1986
pubmed:articleTitle
Inactivation of kallikrein and kininases and stabilization of whole rat brain kinin levels following focused microwave irradiation.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S.